Baidu AI models
1 current Baidu model on AIblogly, and 2 that Baidu has retired. The newest is ERNIE 5.1, released 8 May 2026. The highest Baidu model on LMArena’s text leaderboard is ERNIE 5.1, at rank 50.
Current Baidu models
Retired Baidu models
Baidu no longer offers these through its API. Dates are the ones Baidu states; the replacement is the model it points users to.
| Model | Released | Retired | Description | Replacement |
|---|---|---|---|---|
| ERNIE 5 0110 | — | Not an API model | An LMArena checkpoint of Baidu’s ERNIE 5; Baidu prices only the ernie-5.0 API model. Source | ERNIE 5.0, ERNIE 5.1 |
| ERNIE 5 Preview 1203 | — | Not on Baidu Qianfan’s model list (checked 28 Oct 2026) | A December 2025 preview of Baidu’s ERNIE 5.0. Source | ERNIE 5.0, ERNIE 5.1 |
Frequently asked questions
What is Baidu's newest AI model?+
Of the Baidu models listed here, the most recently released is ERNIE 5.1, released on 8 May 2026.
Which Baidu model ranks highest on LMArena?+
ERNIE 5.1, at rank 50 on LMArena's text leaderboard (Elo 1467). The full table is at aiblogly.com/benchmarks.
Which Baidu AI models have been retired?+
ERNIE 5 0110 (retired Not an API model); ERNIE 5 Preview 1203 (retired Not on Baidu Qianfan’s model list (checked 28 Oct 2026)).